Home / 127,910.70-191,756.64-49,081.50

Finding the Fourth Proportional to 127,910.70, 191,756.64 and 49,081.50

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Solution

The fourth proportional to 127,910.70, 191,756.64 and 49,081.50 is: 73,580.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,910.70 : 191,756.64 = 49,081.50 : x
  2. Step 2: Convert to fraction form
    127,910.70/191,756.64 = 49,081.50/x
  3. Step 3: Cross multiply
    127,910.70x = 191,756.64 × 49,081.50
  4. Step 4: Simplify right side
    127,910.70x = 9,411,703,526.16
  5. Step 5: Solve for x
    x = 9,411,703,526.16/127,910.70
  6. Step 6: Final answer
    x = 73,580.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.